Question

(x+y)(x-y)+x(x+y)+y(x+y)​

Answer 1

Answer:

x(x-y)+y(x-y)+x(x+y)+y(x+y)

(x-y)(x+y)+(x+y)(

Answer 2

Step-by-step explanation:

(x+y)(x-y)+x(x+y)+y(x+y)

(x^2-y^2)+ x^2+xy+yx+y^2

(x^2-y^2) +x^2+y^2+2xy

(x^2-y^2)+(x+y)^2